Home / 91,797.32-126,670.02-51,502.70

Finding the Fourth Proportional to 91,797.32, 126,670.02 and 51,502.70

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Solution

The fourth proportional to 91,797.32, 126,670.02 and 51,502.70 is: 71,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,797.32 : 126,670.02 = 51,502.70 : x
  2. Step 2: Convert to fraction form
    91,797.32/126,670.02 = 51,502.70/x
  3. Step 3: Cross multiply
    91,797.32x = 126,670.02 × 51,502.70
  4. Step 4: Simplify right side
    91,797.32x = 6,523,848,039.05
  5. Step 5: Solve for x
    x = 6,523,848,039.05/91,797.32
  6. Step 6: Final answer
    x = 71,067.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.